The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.

Stamps issued with SM026.06

  1. Sm026.06-80
    Wns Number
    SM026.06
    Country / Post
    San Marino
    Date of Issue
    August 21, 2006
    Subject
    125th Anniversary of the Founding of the International Gymnastics Federation
  2. Sm027.06-80
    Wns Number
    SM027.06
    Country / Post
    San Marino
    Date of Issue
    August 21, 2006
    Subject
    125th Anniversary of the Founding of the International Gymnastics Federation